Question: The dark-adapted human eye may be able to detect as few as 10 visible photons as a single flash. Will an observer with pupil diameter

The dark-adapted human eye may be able to detect as few as 10 visible photons as a single flash. Will an observer with pupil diameter of 2.8 mm be able to see individual scintillation events caused by a 2.24 MeV beta particle in NaI(Tl) while viewing the surface of the scintillator at a distance of 16 cm?

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